:root {
  --bg: #0f172a;
  --fg: #0b0f1e;
  --text: #0b0f1e;
  --primary: #2563eb;
  --secondary: #0ea5e9;
  --muted: #64748b;
  --light: #f8fafc;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, 'Fira Sans', 'Droid Sans', 'Helvetica Neue', Arial, sans-serif;
  color: #0b0f1e;
  background: #ffffff;
}
.container { max-width: 1100px; margin: 0 auto; padding: 0 16px; }

.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255,255,255,0.9);
  backdrop-filter: saturate(180%) blur(6px);
  border-bottom: 1px solid #e5e7eb;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-weight: 700; color: var(--text); text-decoration: none; }
.nav a { margin-left: 16px; color: var(--text); text-decoration: none; font-weight: 500; }
.nav a:hover, .nav a.active { color: var(--primary); }
.nav .cta { padding: 8px 14px; border: 1px solid var(--primary); border-radius: 8px; }

.hero { padding: 72px 0; background: linear-gradient(180deg, #f8fafc, #ffffff); border-bottom: 1px solid #e5e7eb; }
.hero h1 { font-size: 36px; margin: 0 0 12px; }
.hero p { font-size: 18px; color: #334155; margin: 0 0 24px; }
.hero-actions { display: flex; gap: 12px; }

.btn { display: inline-block; padding: 12px 18px; border-radius: 10px; background: var(--primary); color: #fff; text-decoration: none; font-weight: 600; }
.btn-secondary { background: #0f172a; }
.btn:hover { filter: brightness(1.05); }

.features { padding: 48px 0; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.card { padding: 18px; border: 1px solid #e5e7eb; border-radius: 12px; background: #fff; }

.cta-section { padding: 48px 0; background: #f8fafc; border-top: 1px solid #e5e7eb; }

main.container { padding: 32px 0; }
.steps { line-height: 1.8; }
.faq h3 { margin-bottom: 6px; }
.contact-card { padding: 16px; border: 1px solid #e5e7eb; border-radius: 12px; background: #fff; }

.site-footer { margin-top: 32px; border-top: 1px solid #e5e7eb; background: #ffffff; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; padding: 18px 0; }
.footer-bottom { border-top: 1px solid #e5e7eb; padding: 12px 0; color: #64748b; }

@media (max-width: 768px) {
  .grid-3 { grid-template-columns: 1fr; }
  .header-inner { height: auto; padding: 12px 0; flex-wrap: wrap; gap: 8px; }
  .nav { width: 100%; display: flex; flex-wrap: wrap; gap: 8px; }
}